1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus penicillatus Roxb.

        This species is accepted, and its native range is Peninsula Malaysia (Pulau Pinang).

    [PW]
    Vernacular
    rotan batu
    General Description
    Extremely slender clustering rattan climbing to 40 m tall. All pans drying pale. Stem without sheaths 2 - 4 mm in diameter, with sheaths to 7 mm, with internodes about 10 cm in length; sheaths dull green armed with upward pointing yellowish bulbous-based, black tipped spines 1 - 2 mm long, and scattered brownish scales. Knee conspicuous; Ocrea inconspicuous. Flagellum to 30 cm only. Leaf 40 cm long, ecirrate, without a petiole, bearing 3 - 4 leaflets on each side of the rachis; leaflets inequidistant, the terminal two slightly joined, bright green, thick textured, with rather conspicuous cross veins, the largest 15 cm long by 3 cm wide, usually less. Inflorescence male and female superficially similar very slender, rarely more than 60 cm long, with 4-5 partial inflorescences, to 15 cm long. Rachillae about 4 cm long. Fruit unknown; seedling leaf unknown.
    Distribution
    Penang: Penang Hill. Endemic.
    [PW]
    Use
    This appears to be a first class cane but of very small diameter. This species however is extremely rare.

    Images

    Distribution

    Calamus penicillatus Roxb. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Curtis, C. [2268], Peninsular Malaysia K000208149 isotype

    First published in Fl. Ind. ed. 1832, 3: 781 (1832)

    Accepted by

    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Palmweb - Palms of the World Online
    • J. Dransfield, A Manual of the rattans of the Malay peninsula. 1979

    Sources

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Palmweb - Palms of the World Online
    Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
    Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-nc-sa/3.0